from the J-Beam Aerial, Ltd - Northampton, England. Peter - I used to sell these antennas to ham outlets in the U.S. Author: Sykes Last modified by: G R Freeth Created Date: 5:22:00 PM Title: J BEAM 1945-1975 J Beam always specialised in long range aerials although we eventually produced a set top and a flexible aerial which could be hung up in a corner which we called the J Flex which was eventually copied for amateur use and given the name of the "Slim Jim". This web publication contains 147,901 pages of information and 233,586 images on early companies, their products and the … Grace's Guide is the leading source of historical information on industry and manufacturing in Britain.
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